Aging test bench for residual current operated circuit breaker
By designing a residual current-operated circuit breaker aging test bench including insulated fixing blocks, clamping mechanisms, wire crimping mechanisms and winding mechanisms, the problem of unstable equipment position and test lines during the test process is solved, and the accuracy and safety of circuit breaker performance evaluation is improved.
Patent Information
- Application Number
- CN202421872321.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-05
AI Technical Summary
When performing the aging test of the residual current operation circuit breaker, the equipment position is unstable and the test line is unstable, resulting in fluctuations in current and voltage parameters, and the performance of the circuit breaker cannot be accurately evaluated, which increases safety hazards and maintenance costs.
A residual current-operated circuit breaker aging test bench including an insulating fixing block, a clamping mechanism, a wire crimping mechanism and a wire winding mechanism is designed to ensure stability during the test process through these mechanisms.
By fixing the circuit breaker and test line, parameter fluctuations during the test process are avoided, the accuracy of circuit breaker performance evaluation is ensured, and safety hazards and maintenance costs are reduced.
Smart Images
Figure CN222994531U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of residual current operated circuit breaker equipment, in particular to an aging test bench for residual current operated circuit breakers. Background Technique
[0002] When a general residual current operated circuit breaker is subjected to aging test, there may be situations where the position of the residual current operated circuit breaker is unstable or the test wire is unstable during the test. The instability of the position or the test wire may cause fluctuations in parameters such as current and voltage during the test, thus making it impossible to accurately evaluate the performance of the circuit breaker, especially the effectiveness of the residual current operating function. Due to the instability of the test, it may lead to misjudgment of the performance of the circuit breaker. For example, the circuit breaker may not be able to trigger the action correctly under normal conditions, but is misjudged as qualified during the test due to the instability of the position or the circuit, thus increasing the potential safety hazards in actual use. If the circuit breaker is damaged or misjudged due to the instability during the test, additional maintenance, replacement or retesting may be required, thus increasing the maintenance cost and downtime. Therefore, further improvement is needed. Content of the Utility Model
[0003] The purpose of the utility model is to provide an aging test bench for residual current operated circuit breakers to solve the problems raised in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: an aging test bench for residual current operated circuit breakers, comprising: an insulating fixing block and a residual current operated circuit breaker body. One end above the insulating fixing block is provided with a clamping mechanism for fixing the residual current operated circuit breaker body, one end above the insulating fixing block is provided with a wire pressing mechanism for fixing a connecting wire, one end above the insulating fixing block is provided with a wire winding mechanism, and a second connecting wire is provided at one end below the wire winding mechanism.
[0005] As a further scheme of the utility model: the wire pressing mechanism includes a support seat fixedly connected to one end above the insulating fixing block. One end of the side of the support seat is rotatably connected with a rotating plate. One end of the side of the rotating plate is fixedly connected with a fixing handle. One end of the side of the rotating plate is fixedly connected with a soft rubber block. A limiting mechanism is arranged at one end above the support seat.
[0006] As a further solution of the utility model: The limiting mechanism includes a rotating seat rotatably connected to one end above the support seat. One end above the rotating seat is fixedly connected with a support block. One end above the support block is rotatably connected with a pressing block. One end below the pressing block is fixedly connected with a rubber layer. One end above the support block is screwed with a second threaded rod. One end on the side of the second threaded rod is fixedly connected with an adjusting handle. One end on the side of the second threaded rod is rotatably connected with an inclined block.
[0007] As a further solution of the utility model: The winding mechanism includes a winding rod arranged at one end above the insulating fixing block. One end above the winding rod is fixedly connected with a connecting disc. One end above the connecting disc is rotatably connected with a limiting block. One end on the side of the limiting block is fixedly connected with a spring. One end on the side of the connecting disc is provided with an anti - detachment cylinder, and a through - groove is opened at one end above.
[0008] As a further solution of the utility model: The clamping mechanism includes a first threaded rod rotatably connected to one end of the side of the insulating fixing block. One end on the side of the first threaded rod is fixedly connected with a rotating disc. One end on the side of the rotating disc is fixedly connected with a rotating handle. One end on the side of the first threaded rod is screwed with a clamping block. One end on the side of the clamping block is fixedly connected with soft rubber teeth.
[0009] As a further solution of the utility model: The insulating fixing block includes an insulating fixing block main body arranged below the residual current operated circuit breaker body. One end above the insulating fixing block main body is fixedly connected with a fixing plate. A groove adapted to the clamping mechanism is opened at one end above the insulating fixing block.
[0010] As a further solution of the utility model: The residual current operated circuit breaker body includes a residual current operated circuit breaker main body arranged at one end above the insulating fixing block. One end on the side of the residual current operated circuit breaker main body is provided with a first connecting wire.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] In the utility model, through the clamping mechanism, the wire - pressing mechanism and the winding mechanism, etc., the position of the current - operated circuit breaker can be fixed during testing, and situations such as shaking will not occur. Through the wire - pressing mechanism, the test wire can be prevented from shifting during testing. Through the winding mechanism, the wiring can be made more convenient and stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is the overall structural schematic diagram of the utility model;
[0014] Figure 2 is the second - perspective structural schematic diagram of the whole utility model;
[0015] Figure 3 It is a schematic structural diagram of the wire pressing mechanism in the present utility model;
[0016] Figure 4 It is a schematic structural diagram of the limit mechanism in the present utility model;
[0017] Figure 5 It is a schematic structural diagram of the wire winding mechanism in the present utility model.
[0018] In the figure: 1. Insulating fixing block; 11. Insulating fixing block main body; 12. Fixing plate; 13. Groove; 2. Residual current operated circuit breaker body; 21. Residual current operated circuit breaker main body; 22. First connecting wire; 3. Clamping mechanism; 31. First threaded rod; 32. Rotating disc; 33. Rotating handle; 34. Clamping block; 35. Soft rubber teeth; 4. Wire pressing mechanism; 41. Support seat; 42. Rotating plate; 43. Fixed handle; 44. Soft rubber block; 45. Limit mechanism; 451. Rotating disc; 452. Support block; 453. Pressing block; 454. Rubber layer; 455. Second threaded rod; 456. Adjusting handle; 457. Inclined block; 5. Wire winding mechanism; 51. Wire winding rod; 52. Connecting disc; 53. Limit block; 54. Spring; 55. Anti - detachment cylinder; 56. Through groove. Specific embodiments
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0020] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. The following describes the embodiments according to the overall structure of the present utility model.
[0021] Referring to Figures 1 to 5 , in the embodiment of the present utility model, a residual current operated circuit breaker aging test bench includes: an insulating fixing block 1 and a residual current operated circuit breaker body 2. One end above the insulating fixing block 1 is provided with a clamping mechanism 3 for fixing the residual current operated circuit breaker body 2. One end above the insulating fixing block 1 is provided with a wire pressing mechanism 4 for fixing the connecting wire. One end above the insulating fixing block 1 is provided with a wire winding mechanism 5. One end below the wire winding mechanism 5 is provided with a second connecting wire 6.
[0022] The wire pressing mechanism 4 includes a support seat 41 fixedly connected to one end above the insulating fixing block 1. One end of the side of the support seat 41 is rotatably connected to a rotating plate 42. One end of the side of the rotating plate 42 is fixedly connected to a fixing handle 43. One end of the side of the rotating plate 42 is fixedly connected to a soft rubber block 44. One end above the support seat 41 is provided with a limiting mechanism 45.
[0023] The limiting mechanism 45 includes a rotating seat 451 rotatably connected to one end above the support seat 41. One end above the rotating seat 451 is fixedly connected to a support block 452. One end above the support block 452 is rotatably connected to a pressing block 453. One end below the pressing block 453 is fixedly connected to a rubber layer 454. One end above the support block 452 is screwed with a second threaded rod 455. One end of the side of the second threaded rod 455 is fixedly connected to an adjusting handle 456. One end of the side of the second threaded rod 455 is rotatably connected to an inclined block 457.
[0024] Adopt the above - mentioned scheme: Pass the first connecting line 22 above the support base 41, then rotate the rotating plate 42 to press the first connecting line 22. The soft rubber block 44 can prevent the first connecting line 22 from being damaged. Then, through the rotation of the limiting mechanism 45, the pressing block 453 falls above the rotating plate 42. Then rotate the adjusting handle 456, which drives the second threaded rod 455 to rotate. By the rotation of the second threaded rod 455, the inclined block 457 rotatably connected to the side slides towards the pressing block 453. The inclined surface of the inclined block 457 pushes the pressing block 453 to rotate, and the rotating plate 42 is pressed and limited by the pressing block 453. The rubber layer 454 can increase the friction with the rotating plate 42 to prevent the limiting mechanism 45 from rotating due to external force.
[0025] The winding mechanism 5 includes a winding rod 51 arranged at one end above the insulating fixed block 1. At one end above the winding rod 51, a connecting disk 52 is fixedly connected. At one end above the connecting disk 52, a limiting block 53 is rotatably connected. At one end of the side of the limiting block 53, a spring 54 is fixedly connected. At one end of the side of the connecting disk 52, an anti - detachment cylinder 55 is arranged, and a through - slot 56 is opened at one end above.
[0026] Adopt the above - mentioned scheme: Wind the first connecting line 22 around the winding rod 51, then put the anti - detachment cylinder 55 on its outer side. The spring 54 pushes the limiting block 53 to rotate, thereby limiting the anti - detachment cylinder 55. When the two limiting blocks 53 are close together, their size is exactly the same as that of the through - slot 56. At this time, the anti - detachment cylinder 55 can be removed. Between every two winding mechanisms 5, they are connected by a second connecting line 6. Then, three winding mechanisms 5 without winding are externally connected to test lines to test the residual current operated circuit breaker body 2.
[0027] The clamping mechanism 3 includes a first threaded rod 31 rotatably connected to one end of the side of the insulating fixed block 1. At one end of the side of the first threaded rod 31, a rotating disk 32 is fixedly connected. At one end of the side of the rotating disk 32, a rotating handle 33 is fixedly connected. At one end of the side of the first threaded rod 31, a clamping block 34 is screwed. At one end of the side of the clamping block 34, a soft rubber tooth 35 is fixedly connected.
[0028] Adopt the above - mentioned scheme: When it is necessary to detect the residual current operated circuit breaker body 2, lean the side of the residual current operated circuit breaker body 2 against the fixing plate 12. Then, by rotating the rotating handle 33, the first threaded rod 31 is driven to rotate, which drives the clamping block 34 to move towards the residual current operated circuit breaker body 2 to clamp it. The soft rubber teeth 35 can prevent the surface of the residual current operated circuit breaker body 2 from being worn during clamping.
[0029] The insulating fixed block 1 includes an insulating fixed - block main body 11 arranged below the residual current operated circuit breaker body 2. At one end above the insulating fixed - block main body 11, a fixing plate 12 is fixedly connected. At one end above the insulating fixed block 1, a groove 13 adapted to the clamping mechanism 3 is opened.
[0030] The residual current operated circuit breaker body 2 includes a residual current operated circuit breaker main body 21 provided at one end above the insulating fixing block 1, and a first connecting wire 22 is provided at one end on the side of the residual current operated circuit breaker main body 21.
[0031] The working principle of the present utility model is as follows: When it is necessary to detect the residual current operated circuit breaker body 2, lean the side of the residual current operated circuit breaker body 2 against the fixing plate 12, and then drive the first threaded rod 31 to rotate by rotating the rotating handle 33, thereby driving the clamping block 34 to move towards the residual current operated circuit breaker body 2 to clamp it. The soft rubber teeth 35 can prevent the surface of the residual current operated circuit breaker body 2 from being worn during clamping. Then, pass the first connecting wire 22 above the support base 41, and then rotate the rotating plate 42 to press the first connecting wire 22. The soft rubber block 44 can prevent the first connecting wire 22 from being crushed. Then, rotate the limiting mechanism 45 so that the pressing block 453 falls above the rotating plate 42, and then rotate the adjusting handle 456, thereby driving the second threaded rod 455 to rotate. By the rotation of the second threaded rod 455, drive the inclined block 457 rotatably connected to the side to slide towards the pressing block 453. Push the pressing block 453 to rotate through the inclined surface of the inclined block 457, and press and limit the rotating plate 42 through the pressing block 453. The rubber layer 454 can increase the friction with the rotating plate 42 to prevent the limiting mechanism 45 from rotating due to external force. Then, wind the first connecting wire 22 around the winding rod 51, and then sleeved the anti-detachment cylinder 55 on its outer side. Push the limiting block 53 to rotate through the spring 54 to limit the anti-detachment cylinder 55. When the two groups of limiting blocks 53 are close together, it is exactly the same size as the through groove 56. At this time, the anti-detachment cylinder 55 can be removed. Each two groups of winding mechanisms 5 are connected by a second connecting wire 6, and then connect the test wires to the three winding mechanisms 5 without winding to test the residual current operated circuit breaker body 2.
[0032] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.
Claims
1. A residual current operated circuit breaker aging test bench, comprising: An insulating fixing block (1) and a residual current operated circuit breaker body (2), characterized in that a clamping mechanism (3) for fixing the residual current operated circuit breaker body (2) is provided at one end above the insulating fixing block (1), a wire pressing mechanism (4) for fixing a connecting wire is provided at one end above the insulating fixing block (1), a winding mechanism (5) is provided at one end above the insulating fixing block (1), and a second connecting wire (6) is provided at one end below the winding mechanism (5).
2. The residual current operated circuit breaker aging test bench according to claim 1, characterized in that: The wire pressing mechanism (4) comprises a support seat (41) fixedly connected to one end above the insulating fixed block (1); one end of the side of the support seat (41) is rotatably connected to a rotating plate (42); one end of the side of the rotating plate (42) is fixedly connected to a fixed handle (43); one end of the side of the rotating plate (42) is fixedly connected to a soft rubber block (44); and a limiting mechanism (45) is provided at one end above the support seat (41).
3. The residual current operated circuit breaker aging test bench according to claim 2, characterized in that: The limiting mechanism (45) comprises a rotating seat (451) rotatably connected to one end above the supporting seat (41); a supporting block (452) is fixedly connected to one end above the rotating seat (451); a pressing block (453) is rotatably connected to one end above the supporting block (452); a rubber layer (454) is fixedly connected to one end below the pressing block (453); a second threaded rod (455) is screwed to one end above the supporting block (452); an adjusting handle (456) is fixedly connected to one end of the side of the second threaded rod (455); and an inclined block (457) is rotatably connected to one end of the side of the second threaded rod (455).
4. The residual current operated circuit breaker aging test bench according to claim 1, characterized in that: The winding mechanism (5) comprises a winding rod (51) arranged at one end above the insulating fixed block (1); a connecting disk (52) is fixedly connected to the upper end of the winding rod (51); the upper end of the connecting disk (52) is rotatably connected to a limiting block (53); a spring (54) is fixedly connected to one end of the side of the limiting block (53); an anti-slip cylinder (55) is arranged at one end of the side of the connecting disk (52); and a through groove (56) is provided at the upper end.
5. The residual current operated circuit breaker aging test bench according to claim 1, characterized in that: The clamping mechanism (3) comprises a first threaded rod (31) rotatably connected to one end of a side surface of the insulating fixed block (1); a rotating disk (32) is fixedly connected to one end of the side surface of the first threaded rod (31); a rotating handle (33) is fixedly connected to one end of the side surface of the rotating disk (32); a clamping block (34) is screwed to one end of the side surface of the first threaded rod (31); and a soft rubber tooth (35) is fixedly connected to one end of the side surface of the clamping block (34).
6. The residual current operated circuit breaker aging test bench according to claim 1, characterized in that: The insulating fixing block (1) comprises an insulating fixing block body (11) arranged below the residual current operated circuit breaker body (2); a fixing plate (12) is fixedly connected to one end above the insulating fixing block body (11); and a groove (13) adapted to the clamping mechanism (3) is provided at one end above the insulating fixing block (1).
7. The residual current operated circuit breaker aging test bench according to claim 1, characterized in that: The residual current operated circuit breaker body (2) comprises a residual current operated circuit breaker body (21) arranged at one end above the insulating fixed block (1), and a first connecting wire (22) is arranged at one end of the side of the residual current operated circuit breaker body (21).